Take a username at pairing

src/utils/sp-address.utils.ts

@@ -169,10 +169,25 @@ export async function prepareAndSendPairingTx(secondDeviceAddress: string) {
   } catch (e) {
     throw e;
   }
-  // Create the process
+
+  // Prompt the user for a username.
+  const userName = prompt("Please enter your user name:");
+  if (!userName) {
+    throw new Error("User name is required for the pairing process.");
+  }
+
+  // Create the process after a delay.
   setTimeout(async () => {
     const relayAddress = service.getAllRelays();
-    const createPairingProcessReturn = await service.createPairingProcess([secondDeviceAddress], relayAddress[0].spAddress, 1);
+    
+    // Pass the userName as an additional parameter.
+    const createPairingProcessReturn = await service.createPairingProcess(
+      userName,
+      [secondDeviceAddress],
+      relayAddress[0].spAddress,
+      1,
+      userName
+    );
 
     if (!createPairingProcessReturn.updated_process) {
       throw new Error('createPairingProcess returned an empty new process'); // This should never happen